Home / 4,959.20-6,843.78-2,720.94

Finding the Fourth Proportional to 4,959.20, 6,843.78 and 2,720.94

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Solution

The fourth proportional to 4,959.20, 6,843.78 and 2,720.94 is: 3,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.20 : 6,843.78 = 2,720.94 : x
  2. Step 2: Convert to fraction form
    4,959.20/6,843.78 = 2,720.94/x
  3. Step 3: Cross multiply
    4,959.20x = 6,843.78 × 2,720.94
  4. Step 4: Simplify right side
    4,959.20x = 18,621,514.75
  5. Step 5: Solve for x
    x = 18,621,514.75/4,959.20
  6. Step 6: Final answer
    x = 3,754.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.